Oluwashina Type 2945#*# on the main screen. 2945*#01*#
Secret menu for LG IMEI (ALL): *#06#

IMEI and SW (LG 510): *#07#
Software version (LG B1200): *8375#
Recount cheksum (LG B1200): *6861#
Factory test (B1200): #PWR 668 Simlock menu (LG B1200): 1945# *5101#
Simlock menu (LG 510W, 5200): 2945# *5101#
Simlock menu (LG 7020, 7010): 2945# *70001#
Simlock menu (LG 500, 600): 2947# *

LG-U81XX SPECIAL CODES Code to read phone version :
-Phone without SIM
-Enter 277634#*# or 47328545454#
-Select 'SW Ver.info' Code to reset phone : -Phone without SIM
-Enter 277634#*# or 47328545454#
-Select 'Factory Reset' Code to enter
UNLOCK MENU :
-Phone wit SIM inside
-Enter 2945#*88110# Test Menu 8330 : 637664#*# Test Menu 8180 V10a: 49857465454#